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Catherine Kelley — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Catherine Kelley across the 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 10-person household.
Age 17
b. ~1923
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Kelley |
| Given Name | Catherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Somerville City |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Industry | S |
| Highest Grade | H 2 |
| 1935 Residence | Same Place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Somerville City |
| Est. Birth Year | ~1923 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Catherine | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Kelley | Daughter | — | 19 | ~1921 |
| Edward Kelley | Son | — | 24 | ~1916 |
| Catherine Kelley | Daughter | — | 17 | ~1923 |
| Francis Kelley | Son | — | 23 | ~1917 |
| John Kelley | Son | — | 26 | ~1914 |
| Frances Kelley | Daughter | — | 29 | ~1911 |
| William Kelley | Son | — | 22 | ~1918 |
| Edward Kelley | Head | — | 56 | ~1884 |
| Mary Kelley | Spouse | — | 57 | ~1883 |
| George Kelley | Son | — | 21 | ~1919 |
Census Appearances
Daughter, age 7
Middlesex, Massachusetts · implied b. ~1923 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelly |
| Given Name | Catherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Daughter, age 17
Middlesex-County, Massachusetts · implied b. ~1923 — 10 household members
| Surname | Kelley |
| Given Name | Catherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Somerville City |
| 1935 Residence (County) | Middlesex |
| Industry | S |
| Highest Grade | H 2 |
| 1935 Residence | Same Place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Catherine Kelley across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Catherine Kelley
Daughter · 1940 · age 17 · b. ~1923 · Massachusetts
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Sibling
Dorothy Kelley
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Kelley
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frances Kelley
Sibling · 1940 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Kelley
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Kelley
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Kelley
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Kelley
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Middlesex-County, Massachusetts
Open full size
1940 US Federal Census — Middlesex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01702-00460)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | James Jr. Martin | 23 | Son | — | Massachusetts |
| 42 | Edward Kelley | 56 | Head | Machinery Movers | Massachusetts |
| 43 | Mary Kelley | 57 | Wife | — | Massachusetts |
| 44 | Frances Kelley | 29 | Daughter | Egg Candler | Massachusetts |
| 45 | John Kelley | 26 | Son | Truck Driver | Massachusetts |
| 46 | Edward Jr. Kelley | 24 | Son | Blue Print Maker | Massachusetts |
| 47 | Francis Kelley | 23 | Son | Brakeman | Massachusetts |
| 48 | William Kelley | 22 | Son | New Worker | Massachusetts |
| 49 | George Kelley | 21 | Son | New Worker | Massachusetts |
| 50 | Dorothy Kelley | 19 | Daughter | New Worker | Massachusetts |
| 51 | Catherine Kelley THIS PERSON | 17 | Daughter | — | Massachusetts |
| 52 | Anthony Boyajian | 57 | Head | Milkman | Turkey |
| 53 | Catherine Boyajian | 42 | Wife | — | Turkey |
| 54 | Andrew Boyajian | 17 | Son | Selling Newspapers | Massachusetts |
| 55 | Deepa Boyajian | 14 | Daughter | — | Massachusetts |
| 56 | Robert Hunter | 40 | Head | Porter & Janitor | Scotland |
| 57 | Mary Hunter | 64 | Mother | — | Scotland |
| 58 | John R. Hunter | 44 | Head | Janitor | Scotland |
| 59 | Louise Hunter | 37 | Wife | — | England |
| 60 | Dolores Hunter | 9 | Daughter | — | Massachusetts |
| 61 | Donald R. Hunter | 6 | Son | — | Massachusetts |
| 62 | Lorna Hunter | 6 | Daughter | — | Massachusetts |
| 63 | Richard Hunter | 3 | Son | — | Massachusetts |
| 64 | Robert Hunter | 3 | Son | — | Massachusetts |
| 65 | Herbert R. Smith | 32 | Head | Clerk | Canada English |
| 66 | Helen L. Smith | 29 | Wife | — | Scotland |
| 67 | James H. Smith | 8 | Son | — | Massachusetts |
| 68 | Robert Smith | 6 | Son | — | Massachusetts |
| 69 | Herbert Jr. Smith | 3 | Son | — | Massachusetts |
| 70 | Robert Campbell | 57 | Head | Iron Chipper | Scotland |
| 71 | Christina Campbell | 56 | Wife | — | Scotland |
| 72 | Jean Campbell | 32 | Son | — | Scotland |
| 73 | Charles Evans | 72 | Head | — | Nova Scotia |
| 74 | Katherine Evans | 62 | Wife | — | New York |
| 75 | Edith Ingersoll | 40 | Daughter | Book Binder | Massachusetts |
| 76 | James Ingersoll | 19 | Grandson | Attendant | Massachusetts |
| 77 | — | None | — | — | — |
| 78 | Daniel O. Sullivan | 38 | Head | Truck Driver | Massachusetts |
| 79 | Catherine A. Sullivan | 41 | Wife | — | Massachusetts |
| 80 | Mary Sullivan | 17 | Daughter | Stenographer | Massachusetts |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)